With this new contactless technology set to become an important part of our lives, people have some valid and understandable security concerns. When using new technologies, the best way to protect yourself against potential pitfalls is to know the risks associated with them.
One of the most common concerns with NFC technology is that of eavesdropping. Eavesdropping occurs when a third party intercepts the signal sent between two devices. If that third party intercepted a data transmission between a smartphone and a credit card reader then, in theory, they would have access to that person’s credit card information. They might also pick up other personal information passed between two smartphones.
Another security concern is data manipulation or corruption. This occurs when a third party intercepts the signal being sent, alters it, and sends it on its way. The information the receiving party gets may be corrupt or modified. The attacker may or may not want to steal the information. In some cases, the attacker simply wants to prevent the correct information from getting through. This is often known as a denial of service attack.
Finally, the last of the security comes in the form of viruses. While smartphone viruses are currently few and far between, they are growing. Security companies have pointed out that when smartphones provide little financial gain for hackers, they are targeted less. NFC technology would allow users to store valuable bank account and credit card information on their smartphones, thus making them a target.
NFC compatible devices can only communicate when they are within four centimeters of each other.
NFC tags do not power themselves. Instead, they rely on power from the smartphone or other device interacting with them.
The first smartphone virus, a Trojan, was detected in October 2010 and several more have appeared sinc